Jeremiah Donovan was a son of Timothy Donovan
Mary Hayes was a daughter of Denis Hayes and Catherine Donovan.

Jeremiah Donovan (32) of Raheen and Mary Donovan (20) of Cregg married in Kilmacabea on 16 February 1865.  The marriage witnesses were Denis Hayes and Timothy Hsyes.

Children born in Raheen. dates below from Baptismal Register of Castlehaven & Myross / Civil Birth Register:

Timothy Donovan, 19 Nov 1865.  Sponsors: Denis Hayes, Hariet Donovan

Ellen Donovan, 8 Aug 1867.  Sponsors: Jerry Donovan, Mary Donovan

Margaret Donovan, 6 Sep 1870.  Sponsors: Con Sullivan, Bridget Heas

Ann Donovan, 21 Dec 1873.  Sponsors: Denis Hayes, Julia Donovan

Eliza Donovan, 19 May 1875.  Sponsors: Patt Donovan, Cate Donovan

Kate Anne Donovan, 26 Aug 1876.  Sponsors: Dan Sullivan, Helena Hayes

Cornelius Donovan, 10 Apr 1878.  Sponsors: John Donovan, Mary Hourihan

Jeremiah Donovan, 30 Nov 1879.  Sponsors: Cornelius Hayes, Eliza Connelly

Harriet Donovan, 19 May 1883 from Civil Birth Register

Bridget (Delia) Donovan, 1 Feb 1888 from Civil Birth Register

John Donovan, born on 12 June 1889 from Civil Birth Register

Census 1901:
http://census.nationalarchives.ie/pages/1901/Cork/Castlehaven_North/Raheen/1156834/

Census 1911:
http://census.nationalarchives.ie/pages/1911/Cork/Castlehaven/Raheen/442842/

Deaths:
Jeremiah Donovan died at Raheen on 12 June 1906.  From his death record he was married, aged 78 years, a farmer.  Present at his death and the Informant of it to the Civil Registrar was Timothy Donovan, his son, of Raheen5
Mary Donovan died at Raheen on 26 April 1926.  From her death record she was a widow, aged 75 years, a farmer's widow.  Present at her death and the Informant to the Civil Registrar was Jerh Donovan, her son, of Raheen.